Which of the following occurs in a relation when records are added or removed?
Your enterprise is creating a relation (shown in the exhibit) that tracks parts and suppliers. Which situation would occur if new supplier information were entered in the relation before any information about specific parts?
The creation of intermediate entities occurs during the logical database design phase for an enterprise. It is used to resolve which types of relationships?
Which area of database security involves maintaining access to enterprise data?
The exhibit shows a table called Housing Relation that relates a unique student identification number with a dormitory building and a room fee for that building.Each building charges only one fee and a student can live in only one building. The key for the Housing Relation is Student_ID.This table is in which normal form?
Which type of dependency occurs when one attribute of a composite key is removed and the dependency still exists?
